Base | Representation |
---|---|
bin | 1011010100101… |
… | …1010111110100 |
3 | 10022100222101220 |
4 | 2311023113310 |
5 | 44124312034 |
6 | 4413550340 |
7 | 1114461231 |
oct | 265132764 |
9 | 108328356 |
10 | 47494644 |
11 | 2489a47a |
12 | 13aa53b0 |
13 | 9abbc52 |
14 | 6444788 |
15 | 4282749 |
hex | 2d4b5f4 |
47494644 has 48 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 15510400.
The previous prime is 47494631. The next prime is 47494673. The reversal of 47494644 is 44649474.
It is a junction number, because it is equal to n+sod(n) for n = 47494596 and 47494605.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180457 + ... + 180719.
It is an arithmetic number, because the mean of its divisors is an integer number (2356200).
Almost surely, 247494644 is an apocalyptic number.
It is an amenable number.
47494644 is an abundant number, since it is smaller than the sum of its proper divisors (65602956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47494644 is a wasteful number, since it uses less digits than its factorization.
47494644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 520 (or 518 counting only the distinct ones).
The product of its digits is 387072, while the sum is 42.
The square root of 47494644 is about 6891.6358000115. The cubic root of 47494644 is about 362.1442096092.
The spelling of 47494644 in words is "forty-seven million, four hundred ninety-four thousand, six hundred forty-four".
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